package com.zzxy.jjbond34.factory;


import com.zzxy.jjbond34.aspect.MyAspect;
import com.zzxy.jjbond34.service.IStudentService;
import com.zzxy.jjbond34.service.impl.StudentServiceImpl;
import org.springframework.cglib.proxy.Enhancer;
import org.springframework.cglib.proxy.MethodInterceptor;
import org.springframework.cglib.proxy.MethodProxy;

import java.lang.reflect.Method;

public class MyBeanFactoryCglib {
    public static IStudentService createStudentServiceProxy(){
        //1.targer class
        StudentServiceImpl studentService = new StudentServiceImpl();
        //2.advice
        MyAspect aspect = new MyAspect();
        //3.weaving based jdk
        Enhancer enhancer = new Enhancer();
        enhancer.setSuperclass(studentService.getClass());
        enhancer.setCallback(new MethodInterceptor() {
            @Override
            public Object intercept(Object o, Method method, Object[] objects, MethodProxy methodProxy) throws Throwable {
                aspect.before();
                Object obj = methodProxy.invokeSuper(o,objects);
                aspect.after();
                return obj;
            }
        });
        return (StudentServiceImpl) enhancer.create();
    }
}
